20494

Names of 20494

• Cardinal: 20494 can be written as Twenty thousand, four hundred ninety-four.

Scientific notation

• Scientific notation: 2.0494 × 10⁴

Factors of 20494

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10249

Divisors of 20494

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 10247 20494
• Sum of all divisors σ(n): 30744
• Sum of proper divisors (its aliquot sum) s(n): 10250
• 20494 is a deficient number, because the sum of its proper divisors (10250) is less than itself. Its deficiency is 10244

Bases of 20494

• Binary: 101000000001110₂
• Hexadecimal: 0x500E
• Base-36: FTA

Squares and roots of 20494

• 20494 squared (20494²) is 420004036
• 20494 cubed (20494³) is 8607562713784
• The square root of 20494 is 143.1572561905
• The cube root of 20494 is 27.3658480141

Scales and comparisons

• 20,494 seconds is equal to 5 hours, 41 minutes, 34 seconds.
• To count from 1 to 20,494 would take you about five hours.

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20494 cubic inches would be around 2.3 feet tall.

Recreational maths with 20494

• 20494 backwards is 49402
• The number of decimal digits it has is: 5
• The sum of 20494's digits is 19
• More coming soon!